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What is CPM 15V Steel?CPM 15V steel is a high carbon, high vanadium tool steel produced by Crucible industries following Crucible Particle Metallurgy. It contains more Vanadium than its predecessor, CPM 10V, and has one of the highest amounts of Vanadium (14.50%) of all CPM tool steels. 15V is made for applications that require exceptional wear resistance. It has solid carbides that can withstand high wear resistance application. 15V steel is used to make punches,…

What is INFI Steel?INFI steel is a proprietary non-stainless steel exclusively manufactured by Busse Combat Knife Co. INFI steel is known for its exceptional toughness due to its fine-grained microstructure and is well suited for heavy-duty knives. There have been two versions of INFI steel. The older version contained nitrogen elements for hardening because it contained low amounts of carbon. The current INFI steel does not contain nitrogen and cobalt. It depends on carbon and vanadium…

What is CPM REX 121?CPM REX 121 steel is high-speed tool steel, high in Vanadium, Cobalt, and Carbon. It was developed in 1998 by Crucible Industries.  The Vanadium and Cobalt form highly hard carbides giving REX 121 a high hardness of up to 70HRC. What does this mean for knife users? Blades made from this steel offer excellent wear resistance, edge retention and are consequently difficult to sharpen. Although it offers the best edge retention,…

What is Maxamet steel?Maxamet steel, also known as Micro-Melt Maxamet, is a high-speed powder tool steel that is extremely hard. It is produced by Carpenter Technology Corporation, a company based in the US.  Maxamet is recognized for making blades with outstanding edge retention and exceptional wear resistance.  Apart from knives, Maxamet is used to make tools that require extreme wear resistance like Punches, Taps, Broaches, and Industrial knives. Maxamet can also be used to make…

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